diff --git a/LoboHTML/pom.xml b/LoboHTML/pom.xml
index cae6512..7070aaa 100644
--- a/LoboHTML/pom.xml
+++ b/LoboHTML/pom.xml
@@ -1,26 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ /*
-  ~     GNU GENERAL LICENSE
-  ~     Copyright (C) 2014 - 2023 Lobo Evolution
-  ~
-  ~     This program is free software; you can redistribute it and/or
-  ~     modify it under the terms of the GNU General Public
-  ~     License as published by the Free Software Foundation; either
-  ~     verion 3 of the License, or (at your option) any later version.
-  ~
-  ~     This program is distributed in the hope that it will be useful,
-  ~     but WITHOUT ANY WARRANTY; without even the implied warranty of
-  ~     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-  ~     General License for more details.
-  ~
-  ~     You should have received a copy of the GNU General Public
-  ~     along with this program.  If not, see <http://www.gnu.org/licenses/>.
-  ~
-  ~
-  ~     Contact info: ivan.difrancesco@yahoo.it
-  ~  */
-  -->
 
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
diff --git a/LoboParser/pom.xml b/LoboParser/pom.xml
index c7037cd..4b72844 100644
--- a/LoboParser/pom.xml
+++ b/LoboParser/pom.xml
@@ -1,27 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ /*
-  ~     GNU GENERAL LICENSE
-  ~     Copyright (C) 2014 - 2023 Lobo Evolution
-  ~
-  ~     This program is free software; you can redistribute it and/or
-  ~     modify it under the terms of the GNU General Public
-  ~     License as published by the Free Software Foundation; either
-  ~     verion 3 of the License, or (at your option) any later version.
-  ~
-  ~     This program is distributed in the hope that it will be useful,
-  ~     but WITHOUT ANY WARRANTY; without even the implied warranty of
-  ~     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-  ~     General License for more details.
-  ~
-  ~     You should have received a copy of the GNU General Public
-  ~     along with this program.  If not, see <http://www.gnu.org/licenses/>.
-  ~
-  ~
-  ~     Contact info: ivan.difrancesco@yahoo.it
-  ~  */
-  -->
-
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
diff --git a/LoboUnitTest/pom.xml b/LoboUnitTest/pom.xml
index ee0dd96..e5e5ce7 100644
--- a/LoboUnitTest/pom.xml
+++ b/LoboUnitTest/pom.xml
@@ -1,23 +1,4 @@
-<!--
-  ~ GNU GENERAL LICENSE
-  ~ Copyright (C) 2014 - 2023 Lobo Evolution
-  ~
-  ~ This program is free software; you can redistribute it and/or
-  ~ modify it under the terms of the GNU General Public
-  ~ License as published by the Free Software Foundation; either
-  ~ verion 3 of the License, or (at your option) any later version.
-  ~
-  ~ This program is distributed in the hope that it will be useful,
-  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
-  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-  ~ General License for more details.
-  ~
-  ~ You should have received a copy of the GNU General Public
-  ~ along with this program.  If not, see <http://www.gnu.org/licenses/>.
-  ~
-  ~ Contact info: ivan.difrancesco@yahoo.it
-  -->
-
+<?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
diff --git a/LoboW3C/pom.xml b/LoboW3C/pom.xml
index c9ce47f..5a9134b 100644
--- a/LoboW3C/pom.xml
+++ b/LoboW3C/pom.xml
@@ -1,27 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ /*
-  ~     GNU GENERAL LICENSE
-  ~     Copyright (C) 2014 - 2023 Lobo Evolution
-  ~
-  ~     This program is free software; you can redistribute it and/or
-  ~     modify it under the terms of the GNU General Public
-  ~     License as published by the Free Software Foundation; either
-  ~     verion 3 of the License, or (at your option) any later version.
-  ~
-  ~     This program is distributed in the hope that it will be useful,
-  ~     but WITHOUT ANY WARRANTY; without even the implied warranty of
-  ~     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-  ~     General License for more details.
-  ~
-  ~     You should have received a copy of the GNU General Public
-  ~     along with this program.  If not, see <http://www.gnu.org/licenses/>.
-  ~
-  ~
-  ~     Contact info: ivan.difrancesco@yahoo.it
-  ~  */
-  -->
-
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
diff --git a/LoboXalan/pom.xml b/LoboXalan/pom.xml
index 27fc4e0..b9072fc 100644
--- a/LoboXalan/pom.xml
+++ b/LoboXalan/pom.xml
@@ -1,27 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ /*
-  ~     GNU GENERAL LICENSE
-  ~     Copyright (C) 2014 - 2023 Lobo Evolution
-  ~
-  ~     This program is free software; you can redistribute it and/or
-  ~     modify it under the terms of the GNU General Public
-  ~     License as published by the Free Software Foundation; either
-  ~     verion 3 of the License, or (at your option) any later version.
-  ~
-  ~     This program is distributed in the hope that it will be useful,
-  ~     but WITHOUT ANY WARRANTY; without even the implied warranty of
-  ~     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-  ~     General License for more details.
-  ~
-  ~     You should have received a copy of the GNU General Public
-  ~     along with this program.  If not, see <http://www.gnu.org/licenses/>.
-  ~
-  ~
-  ~     Contact info: ivan.difrancesco@yahoo.it
-  ~  */
-  -->
-
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
diff --git a/README.md b/README.md
index b76d3d3..133b115 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ mvn install
 ### Download CobraEvolution
 
 Last release click Download Badge <br/>
-<a href="https://github.com/LoboEvolution/CobraEvolution/releases/download/3.1/cobraevolution-3.1.jar">
+<a href="https://github.com/LoboEvolution/CobraEvolution/releases/download/4.0/cobraevolution-4.0.jar">
 <img src="https://img.shields.io/github/downloads/LoboEvolution/CobraEvolution/total.svg" alt="Download">
 </a> <br/>
 
diff --git a/pom.xml b/pom.xml
index 25ee9cd..a0bab73 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.github.oswetto</groupId>
     <artifactId>cobraevolution</artifactId>
-    <version>3.1</version>
+    <version>4.0</version>
     <packaging>pom</packaging>
     <name>Cobra Evolution</name>
     <description>Cobra Evolution Html Parser</description>
@@ -105,7 +105,7 @@
                     <descriptorRefs>
                         <descriptorRef>jar-with-dependencies</descriptorRef>
                     </descriptorRefs>
-                    <finalName>cobraevolution-3.1</finalName>
+                    <finalName>cobraevolution-4.0</finalName>
                     <appendAssemblyId>false</appendAssemblyId>
                 </configuration>
                 <executions>